The Rohde Schwarz APN-62 Generator has been used as a source signal for all tests.
Tested multimeters:
model
mfg
prod. year
comments
3456A
Hewlett Packard
1982
laboratory 6 digits
8000A
Fluke
1974
3½ digits
PM 2517E
Philips
1980
4 digits
PM 2525
Philips
1988
laboratory 5½ digits
PM 2535
Philips
1986
system 6½ digits
2000
Keithley
2001
laboratory 6½ digits
